Finding the Fourth Proportional to 4,526,399.30, 6,246,306.15 and 2,489,208.80
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Solution
The fourth proportional to 4,526,399.30, 6,246,306.15 and 2,489,208.80 is: 3,435,039.47
Step by Step Solution
- Step 1: Write the proportion equation
4,526,399.30 : 6,246,306.15 = 2,489,208.80 : x - Step 2: Convert to fraction form
4,526,399.30/6,246,306.15 = 2,489,208.80/x - Step 3: Cross multiply
4,526,399.30x = 6,246,306.15 × 2,489,208.80 - Step 4: Simplify right side
4,526,399.30x = 15,548,360,236,074.12 - Step 5: Solve for x
x = 15,548,360,236,074.12/4,526,399.30 - Step 6: Final answer
x = 3,435,039.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.